.book-enter {
  transform: translateX(100px);
  opacity: 0;
}

.book-enter-active {
  transform: translateX(0);
  opacity: 1;
  transition: all 1s ease;
}

.book-exit {
  transform: translateX(0);
  opacity: 1;
}

.book-exit-active {
  transform: translateX(-1000px);
  opacity: 0;
  transition: all 1s ease;
}
